
public class Main {
    public static void main(String[] args) {
        Student student1 = new Student("张三","男",18,100);
        Student student2 = new Student("张三","男",18,100);
        Student student3 = new Student("张三","男",18,100);

        System.out.println(student1.show());
        System.out.println(student2.show());
        System.out.println(student3.show());
    }
}
